2.1 - Towards Roll and Sheet film for Still Photography Cellulose nitrate roll film replaced paper-base negatives (1884) in roll film cameras in 1889. Roll-film holders were developed for existing collodion wet and gelatin dry plate cameras. And there were numerous new amateur roll film cameras created for the new fast transparent film.
2 Answers. , Mechanical Engineer. all these colleges have almost the best mechanical engineering program: Massachusetts Institute of Technology , Stanford University, University of CaliforniaââBerkeley,University of Illinois, Cornell University , Princeton University , Carnegie Mellon University, Purdue University......
2018 Best Engineering Schools. Engineers can build on the skills they learned as undergraduates with advanced degrees in areas ranging from biomedical engineering to nuclear engineering. U.S. News weighs factors such as reputation, research activity and student selectivity to rank the top graduate engineering schools. See the methodology Â».